When Eva Sinclair's reemergence leaves Rebekah trapped and helpless, Klaus is forced to put aside his mistrust for Freya in order to save Rebekah's life. Meanwhile, Hayley and Elijah learn more about Eva's violent past from Josephine, who then makes a startling revelation about Hayley's future. With time running out to save Rebekah, Marcel turns to a reluctant Vincent for his help to take down Eva, but his plan takes an unexpected turn, as Eva will not go down without a fight.